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%I #11 Mar 09 2017 16:54:17
%S 1,-2,32,-1112,76544,-8132992,1287179904,-277075027200,78957666709504,
%T -28538628272500736,12818361767117881344,-6984131400017632559104,
%U 4545914404919471492988928,-3480400203322521156596334592,3098206994542298409092871880704,-3171988840442245479109838621638656
%N Expansion of e.g.f. arctan(arcsin(arcsinh(x))), odd powers only.
%e x - 2/3!*x^3 + 32/5!*x^5 - 1112/7!*x^7 + 76544/9!*x^9 ...
%o (PARI) x = 'x + O('x^40); select(x->x, Vec(serlaplace(atan(asin(asinh(x)))))) \\ _Michel Marcus_, Mar 09 2017
%K sign
%O 0,2
%A Patrick Demichel (patrick.demichel(AT)hp.com)
%E More terms from _Michel Marcus_, Mar 09 2017
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